Toro Groundsmaster 3500 30807, Service Manual

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Groundsmaster 3500 Hydraulic System Page 5 − 2
Specifications
Item Description
Piston Pump (Hydrostat) Variable displacement piston pump
Charge Relief Pressure 100 to 150 PSI (6.9 to 10 Bar)
Traction Circuit Relief Pressure (Forward Only) 3500 PSI (241.3 Bar)
Maximum Displacement 1.44 cu. in./rev (23.6 cc/rev)
Gear Pump 2 stage fixed displacement gear type pump
Displacement Section 1 (P1) 0.95 cu. In./rev (15.65 cc/rev)
Displacement Section 2 (P2) 0.33 cu. in./rev (5.34 cc/rev)
Wheel Motors (see note) Orbital geroller motor
Front Wheel Motor Displacement 12 cu. in./rev (195 cc/rev)
Rear Wheel Motor Displacement 24.7 cu. in./rev (405 cc/rev)
Mow Circuit Relief Pressure 3200 PSI (221 Bar)
Cutting Unit Motor Gear motor
Cross−over Relief Pressure 1813 PSI (125 Bar)
Displacement 1.16 cu. in./rev (19 cc/rev)
Steering Control Valve Distributor valve with rotary meter
Maximum Displacement 6.10 cu. in./rev (100.0 cc/rev)
Implement (Steering and Lift) Relief Valve Pressure 1000 PSI (69 Bar)
Hydraulic Filter 10 Micron, spin−on cartridge type
Hydraulic Fluid See Hydraulic System Fluid in this Chapter
Hydraulic Tank 6 Gal. U.S. (22.6 L)
NOTE: The three wheel motors are similar in construction with only minor differences. The right front wheel motor and rear wheel motor have a
reverse timed manifold, and the front left wheel motor does not. The end cover of the rear motor has a check valve consisting of a ball and spring,
and both front motors lack this feature.